79793920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 214129440

約数和(自身を除く): 134335520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 193, 256, 272, 304, 320, 323, 340, 380, 386, 544, 608, 640, 646, 680, 760, 772, 965, 1088, 1216, 1280, 1292, 1360, 1520, 1544, 1615, 1930, 2176, 2432, 2584, 2720, 3040, 3088, 3230, 3281, 3667, 3860, 4352, 4864, 5168, 5440, 6080, 6176, 6460, 6562, 7334, 7720, 10336, 10880, 12160, 12352, 12920, 13124, 14668, 15440, 16405, 18335, 20672, 21760, 24320, 24704, 25840, 26248, 29336, 30880, 32810, 36670, 41344, 49408, 51680, 52496, 58672, 61760, 62339, 65620, 73340, 82688, 103360, 104992, 117344, 123520, 124678, 131240, 146680, 206720, 209984, 234688, 247040, 249356, 262480, 293360, 311695, 413440, 419968, 469376, 498712, 524960, 586720, 623390, 839936, 938752, 997424, 1049920, 1173440, 1246780, 1994848, 2099840, 2346880, 2493560, 3989696, 4199680, 4693760, 4987120, 7979392, 9974240, 15958784, 19948480, 39896960, 79793920]

約数ペア:

[(1, 79793920), (2, 39896960), (4, 19948480), (5, 15958784), (8, 9974240), (10, 7979392), (16, 4987120), (17, 4693760), (19, 4199680), (20, 3989696), (32, 2493560), (34, 2346880), (38, 2099840), (40, 1994848), (64, 1246780), (68, 1173440), (76, 1049920), (80, 997424), (85, 938752), (95, 839936), (128, 623390), (136, 586720), (152, 524960), (160, 498712), (170, 469376), (190, 419968), (193, 413440), (256, 311695), (272, 293360), (304, 262480), (320, 249356), (323, 247040), (340, 234688), (380, 209984), (386, 206720), (544, 146680), (608, 131240), (640, 124678), (646, 123520), (680, 117344), (760, 104992), (772, 103360), (965, 82688), (1088, 73340), (1216, 65620), (1280, 62339), (1292, 61760), (1360, 58672), (1520, 52496), (1544, 51680), (1615, 49408), (1930, 41344), (2176, 36670), (2432, 32810), (2584, 30880), (2720, 29336), (3040, 26248), (3088, 25840), (3230, 24704), (3281, 24320), (3667, 21760), (3860, 20672), (4352, 18335), (4864, 16405), (5168, 15440), (5440, 14668), (6080, 13124), (6176, 12920), (6460, 12352), (6562, 12160), (7334, 10880), (7720, 10336)]